Gregory Chanan created SOLR-5865:
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Summary: Provide a MiniSolrCloudCluster to enable easier testing
Key: SOLR-5865
URL: https://issues.apache.org/jira/browse/SOLR-5865
Project: Solr
Issue Type: Improvement
Components: SolrCloud
Affects Versions: 4.7, 5.0
Reporter: Gregory Chanan
Today, the SolrCloud tests are based on the LuceneTestCase class hierarchy,
which has a couple of issues around support for downstream projects:
- It's difficult to test SolrCloud support in a downstream project that may
have its own test framework. For example, some projects have support for
different storage backends (e.g. Solr/ElasticSearch/HBase) and want tests
against each of the different backends. This is difficult to do cleanly,
because the Solr tests require derivation from LuceneTestCase, while the other
don't
- The LuceneTestCase class hierarchy is really designed for internal solr tests
(e.g. it randomizes a lot of parameters to get test coverage, but a downstream
project probably doesn't care about that). It's also quite complicated and
dense, much more so than a downstream project would want.
Given these reasons, it would be nice to provide a simple
"MiniSolrCloudCluster", similar to how HDFS provides a MiniHdfsCluster or HBase
provides a MiniHBaseCluster.
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